Hat fastener



- F HENDERSON.

HAT FASTENER.

APPLICATIONYPILED JULY 13.1920.

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Specification of Letters Patent.

Patented Jan. 11), 1922.

Application filed July .3, 1920. Serial No. 395,969.

To all whom it may concern:

Be it knownthat T, FRANK HENDERSON, a citizen of the Dominion of NewZealand, and a resident of Auckland, in the Provincial District ofAuckland, in the Dominion of New Zealand, have invented certain new anduseful Improvements in Hat Fasteners, of which the following is aspecification.

This invention relates to devices used for retaining hats on the headsof the wearers.

The object of the invention is to provide an improved form of fastenerwhereby hats are enabled to be securely held on the head, and to beeasily removed therefrom when desired, said fastener being also easilyaffixed to the hats and simply operated, besides which it is notunsightly and does not by its operation disfigure or damage the hats.

The fastener comprises a volute spring provided with a stem extendingfrom its coil of smallest diameter, said stem passing through the rearbar only of a pair of bars secured together at their ends, and beingfitted with a detachable knob.

The bars are provided with eyes at the ends and between the latter arespaced a short distance apart.

In use the bars are attached to the inside of a hat with the stempassing outwards through the latter.

On turning the stem in one direction the spring is screwed or wound intothe space between the bars and assumes the form of a coil spring, inwhich position it is completely disengaged from the hair, and on turningsaid stem in the reverse direction the spring is unwound or extended andscrews itself into the hair.

In order that the invention may be more clearly understood, it will befurther described with the aid of the accompanying drawings, in whichFigure 1 illustrates how the device is used.

Figure 2 is an end view and Figure 3 a side view of the device in. theform it assumes when disengaged from the hair, while Figure 4 is a sideview of same extended or in the form it takes when engaged in the hair.

Figure 5 is an enlarged side view and Figure 6 is an enlarged side endView illustrating the fitting of the removable knob to the stem, and

Figure 7 shows the stem.

The device consists of a volute spring 1 of wire, having a stem 2extending from its coil of smallest diameter. The stern 2 pases throughthe rear bar 3 only of two bars 3, 3 secured together at the ends andprovided with eyes 4.

A knob 5 is detachably fitted on the outer end of the stem, which isflattened at 6, the latter portion being capable of being passed throughthe coils 8 of a small spring on the knob 5 so as to enter the latter.

On the flattened portion 6 being forced into the coils 8 the latterexpand sufficiently to allow said portion 6 to pass into the knob 5,after which the coils 8 contract around the stem 2 and retain the knob 5on the latter unless a tensional force is exerted on said knob. Onturning the stem 2 in one direction the coils of the volute spring 1 areworked or screwed into and compressed in the space between the bars 3, 8and said spring 1 takes the form of a coil spring.

When the stem 2 is turned in the reverse direction the outer end of thespring, which has a natural tendency topress outwards in the directionof its axis passes on the outside of the bar 3, whereupon on the turningmovement being continued the spring 1 is screwed or worked outwards andreassumes the volute form. During the latter operation the bar 3 isdisposed between coils of the spring.

The device is secured to the inside of a hat by removing the knob 5 andpassing the stem 2 through the hat from the inside, and sewing the bars3, 3 to the hat through the eyes 4, after which the knob 5 is againplaced on the end of the stem.

vVhen placing the hat on the head, the spring 1 is in its coiled orclosed form as shown in Figure 3, so that by turning the stem 2 in therequired direction said spring is caused to extend and at the same timescrew or wind itself into the hair.

To unfasten the hat from the hair, the spring 1 is withdrawn or unwoundout of the hair into the space between the bars 3, 3 as beforedescribed.

The device is used preferably at opposite sides of the hat as shown inFigure 1.

What I do claim and desire to secure by Letters Patent of the UnitedStates is A hat fastener comprising, a pair of parallel bars joined toeach other and one of which is provided with eyes at its end; a

volube spring" from the smallest diameter of in testimony whereof I haveSigned my which a stem with a flattened end passes name; to 'fchisspeclfieation in the presence through one of said bars; the other ofsaid of two wltnesses.

bars, when the spring is eXteh'ded5-beinv dis "FRANK? HENDERSON. V j

5 posed between @9113 thereef; and a jznoh V Witnesses:

provided with 0011s to recelve the flattened WILLIAM Pmorms, end of the'stem. MARY PILKINGTON.

